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  • 使用WAS生成heapdump

    2016-02-17 18:09:32
    进入was的bin目录下,例如:/opt/IBM/WebSphere/AppServer/bin 输入./wsadmin.sh -username was的用户名 -password was的密码 然后在命令行输入:set objectName [$AdminControl q...

    进入was的bin目录下,例如:/opt/IBM/WebSphere/AppServer/bin

    输入./wsadmin.sh -username was的用户名 -password was的密码

    然后在命令行输入:set objectName [$AdminControl queryNames WebSphere:type=JVM,process=服务名称,node=节点名称,*]

    输入:$AdminControl invoke $objectName generateHeapDump就可以生成heapdump文件,并且会提示生成的位置


    展开全文
  • windows生成dump文件

    千次阅读 2016-09-24 09:02:26
    windows生成dump文件,便于程序崩溃是快速定位。

    windows生成dump文件,便于程序崩溃是快速定位。代码如下:


    MiniDumper.h

    #ifndef MINIDUMPER_H
    #define MINIDUMPER_H
    
    #include <windows.h>
    
    class CMiniDumper
    {
    public:
    
        CMiniDumper(bool bPromptUserForMiniDump = true);
        ~CMiniDumper(void);
    
    private:
    
        static LONG WINAPI unhandledExceptionHandler(struct _EXCEPTION_POINTERS *pExceptionInfo);
    	void disableSetUnhandledExceptionFilter();
    	static void __cdecl myInvalidParameterHandler(const wchar_t* expression,
    											const wchar_t* function, 
    											const wchar_t* file, 
    											unsigned int line, 
    											uintptr_t pReserved);
    	static void __cdecl myPurecallHandler(void);
        void setMiniDumpFileName(void);
        bool getImpersonationToken(HANDLE* phToken);
        BOOL enablePrivilege(LPCTSTR pszPriv, HANDLE hToken, TOKEN_PRIVILEGES* ptpOld);
        BOOL restorePrivilege(HANDLE hToken, TOKEN_PRIVILEGES* ptpOld);
        LONG writeMiniDump(_EXCEPTION_POINTERS *pExceptionInfo );
    
        _EXCEPTION_POINTERS *m_pExceptionInfo;
        TCHAR m_szMiniDumpPath[MAX_PATH];
        TCHAR m_szAppPath[MAX_PATH];
        TCHAR m_szAppBaseName[MAX_PATH];
        bool m_bPromptUserForMiniDump;
    
        static CMiniDumper* s_pMiniDumper;
        static LPCRITICAL_SECTION s_pCriticalSection;
    };
    
    #endif // MINIDUMPER_H
    


    MiniDumper.cpp

    #include <windows.h>
    #include <stdio.h>
    #include <assert.h>
    #include <time.h>
    #include <tchar.h>
    #include <dbghelp.h>
    #include "MiniDumper.h"
    
    #ifdef UNICODE
        #define _tcssprintf wsprintf
        #define tcsplitpath _wsplitpath
    #else
        #define _tcssprintf sprintf
        #define tcsplitpath _splitpath
    #endif
    
    #ifndef LogError
    #define LogError printf
    #endif 
    
    const int USER_DATA_BUFFER_SIZE = 4096;
    
    //-----------------------------------------------------------------------------
    // GLOBALS
    //-----------------------------------------------------------------------------
    CMiniDumper* CMiniDumper::s_pMiniDumper = NULL;
    LPCRITICAL_SECTION CMiniDumper::s_pCriticalSection = NULL;
    
    // Based on dbghelp.h
    typedef BOOL (WINAPI *MINIDUMPWRITEDUMP)(HANDLE hProcess,
                                             DWORD dwPid,
                                             HANDLE hFile,
                                             MINIDUMP_TYPE DumpType,
                                             CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
                                             CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
                                             CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam);
    
    //-----------------------------------------------------------------------------
    // Name: CMiniDumper()
    // Desc: Constructor
    //-----------------------------------------------------------------------------
    CMiniDumper::CMiniDumper( bool bPromptUserForMiniDump )
    {
    	// Our CMiniDumper should act alone as a singleton.
    	assert( !s_pMiniDumper );
    
        s_pMiniDumper = this;
        m_bPromptUserForMiniDump = bPromptUserForMiniDump;
    
        // The SetUnhandledExceptionFilter function enables an application to 
        // supersede the top-level exception handler of each thread and process.
        // After calling this function, if an exception occurs in a process 
        // that is not being debugged, and the exception makes it to the 
        // unhandled exception filter, that filter will call the exception 
        // filter function specified by the lpTopLevelExceptionFilter parameter.
    	::SetUnhandledExceptionFilter( unhandledExceptionHandler );
    
    
    	/* 
    	 * 为了安全起见(万一有某种新型的异常没有被事先安装的处理器过滤,UEF会被覆盖),
    	 * 你可以HOOK掉Kernel32.SetUnhandledExceptionFilter,从而禁止任何可能的覆盖。
    	 */
    	_set_abort_behavior(0, _CALL_REPORTFAULT);
    	_set_invalid_parameter_handler(myInvalidParameterHandler);
    	_set_purecall_handler(myPurecallHandler);
    
    	disableSetUnhandledExceptionFilter();
    
    
        // Since DBGHELP.dll is not inherently thread-safe, making calls into it 
        // from more than one thread simultaneously may yield undefined behavior. 
        // This means that if your application has multiple threads, or is 
        // called by multiple threads in a non-synchronized manner, you need to  
        // make sure that all calls into DBGHELP.dll are isolated via a global
        // critical section.
        s_pCriticalSection = new CRITICAL_SECTION;
    
        if( s_pCriticalSection )
            InitializeCriticalSection( s_pCriticalSection );
    }
    
    //-----------------------------------------------------------------------------
    // Name: ~CMiniDumper()
    // Desc: Destructor
    //-----------------------------------------------------------------------------
    CMiniDumper::~CMiniDumper( void )
    {
        if( s_pCriticalSection )
        {
            DeleteCriticalSection( s_pCriticalSection );
            delete s_pCriticalSection;
        }
    }
    
    //-----------------------------------------------------------------------------
    // Name: unhandledExceptionHandler()
    // Desc: Call-back filter function for unhandled exceptions
    //-----------------------------------------------------------------------------
    LONG CMiniDumper::unhandledExceptionHandler( _EXCEPTION_POINTERS *pExceptionInfo )
    {
    	if( !s_pMiniDumper )
    		return EXCEPTION_CONTINUE_SEARCH;
    
    	return s_pMiniDumper->writeMiniDump( pExceptionInfo );
    }
    
    
    void CMiniDumper::disableSetUnhandledExceptionFilter()
    {
    	void *addr = (void*)GetProcAddress(LoadLibrary(_T("kernel32.dll")),
    		"SetUnhandledExceptionFilter");
    	if (addr) 
    	{
    		unsigned char code[16];
    		int size = 0;
    		code[size++] = 0x33;
    		code[size++] = 0xC0;
    		code[size++] = 0xC2;
    		code[size++] = 0x04;
    		code[size++] = 0x00;
    
    		DWORD dwOldFlag, dwTempFlag;
    		VirtualProtect(addr, size, PAGE_READWRITE, &dwOldFlag);
    		WriteProcessMemory(GetCurrentProcess(), addr, code, size, NULL);
    		VirtualProtect(addr, size, dwOldFlag, &dwTempFlag);
    	}
    }
    
    
    
    void CMiniDumper::myInvalidParameterHandler(const wchar_t* expression,
    											const wchar_t* function, 
    											const wchar_t* file, 
    											unsigned int line, 
    											uintptr_t pReserved)
    {
    	//wprintf(L"Invalid parameter detected in function %s."
    	//	L" File: %s Line: %d\n", function, file, line);
    	//wprintf(L"Expression: %s\n", expression);
    
    	throw 1;
    }
    
    void CMiniDumper::myPurecallHandler(void)
    {
    	throw 1;
    }
    
    
    //-----------------------------------------------------------------------------
    // Name: setMiniDumpFileName()
    // Desc: 
    //-----------------------------------------------------------------------------
    void CMiniDumper::setMiniDumpFileName( void )
    {
        time_t currentTime;
        time( ¤tTime );
    
    	TCHAR chTmp[100];
    	memset(chTmp, 0, sizeof(chTmp));
    	struct tm *p;	
    	p = localtime(¤tTime);
    	if(p == NULL) return;
    	p->tm_year = p->tm_year + 1900;
    	p->tm_mon = p->tm_mon + 1;
    
    	_tcssprintf(chTmp, _T("%04d-%02d-%02d_%02d-%02d-%02d"),
    		p->tm_year, p->tm_mon, p->tm_mday, p->tm_hour, p->tm_min, p->tm_sec);
    
        _tcssprintf( m_szMiniDumpPath,
                     _T("%s%s_%s.dmp"),
                     m_szAppPath,
                     m_szAppBaseName,
                     chTmp );
    }
    
    //-----------------------------------------------------------------------------
    // Name: getImpersonationToken()
    // Desc: The method acts as a potential workaround for the fact that the 
    //       current thread may not have a token assigned to it, and if not, the 
    //       process token is received.
    //-----------------------------------------------------------------------------
    bool CMiniDumper::getImpersonationToken( HANDLE* phToken )
    {
        *phToken = NULL;
    
        if( !OpenThreadToken( GetCurrentThread(),
                              TOKEN_QUERY | TOKEN_ADJUST_PRIVILEGES,
                              TRUE,
                              phToken) )
        {
            if( GetLastError() == ERROR_NO_TOKEN )
            {
                // No impersonation token for the current thread is available. 
                // Let's go for the process token instead.
                if( !OpenProcessToken( GetCurrentProcess(),
                                       TOKEN_QUERY | TOKEN_ADJUST_PRIVILEGES,
                                       phToken) )
                    return false;
            }
            else
                return false;
        }
    
        return true;
    }
    
    //-----------------------------------------------------------------------------
    // Name: enablePrivilege()
    // Desc: Since a MiniDump contains a lot of meta-data about the OS and 
    //       application state at the time of the dump, it is a rather privileged 
    //       operation. This means we need to set the SeDebugPrivilege to be able 
    //       to call MiniDumpWriteDump.
    //-----------------------------------------------------------------------------
    BOOL CMiniDumper::enablePrivilege( LPCTSTR pszPriv, HANDLE hToken, TOKEN_PRIVILEGES* ptpOld )
    {
        BOOL bOk = FALSE;
    
        TOKEN_PRIVILEGES tp;
        tp.PrivilegeCount = 1;
        tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
        bOk = LookupPrivilegeValue( 0, pszPriv, &tp.Privileges[0].Luid );
    
        if( bOk )
        {
            DWORD cbOld = sizeof(*ptpOld);
            bOk = AdjustTokenPrivileges( hToken, FALSE, &tp, cbOld, ptpOld, &cbOld );
        }
    
        return (bOk && (ERROR_NOT_ALL_ASSIGNED != GetLastError()));
    }
    
    //-----------------------------------------------------------------------------
    // Name: restorePrivilege()
    // Desc: 
    //-----------------------------------------------------------------------------
    BOOL CMiniDumper::restorePrivilege( HANDLE hToken, TOKEN_PRIVILEGES* ptpOld )
    {
        BOOL bOk = AdjustTokenPrivileges(hToken, FALSE, ptpOld, 0, NULL, NULL);
        return ( bOk && (ERROR_NOT_ALL_ASSIGNED != GetLastError()) );
    }
    
    //-----------------------------------------------------------------------------
    // Name: writeMiniDump()
    // Desc: 
    //-----------------------------------------------------------------------------
    LONG CMiniDumper::writeMiniDump( _EXCEPTION_POINTERS *pExceptionInfo )
    {
    	LONG retval = EXCEPTION_CONTINUE_SEARCH;
    	m_pExceptionInfo = pExceptionInfo;
    
        HANDLE hImpersonationToken = NULL;
        if( !getImpersonationToken( &hImpersonationToken ) )
            return FALSE;
    
    	// You have to find the right dbghelp.dll. 
    	// Look next to the EXE first since the one in System32 might be old (Win2k)
    	
    	HMODULE hDll = NULL;
    	TCHAR szDbgHelpPath[MAX_PATH];
    
    	if( GetModuleFileName( NULL, m_szAppPath, _MAX_PATH ) )
    	{
    		TCHAR *pSlash = _tcsrchr( m_szAppPath, '\\' );
    
    		if( pSlash )
    		{
    			_tcscpy( m_szAppBaseName, pSlash + 1);
    			*(pSlash+1) = 0;
    		}
    
    		_tcscpy( szDbgHelpPath, m_szAppPath );
            _tcscat( szDbgHelpPath, _T("DBGHELP.DLL") );
    		hDll = ::LoadLibrary( szDbgHelpPath );
    	}
    
    	if( hDll == NULL )
    	{
    		// If we haven't found it yet - try one more time.
    		hDll = ::LoadLibrary( _T("DBGHELP.DLL") );
    	}
    
    	LPCTSTR szResult = NULL;
    
    	if( hDll )
    	{
            // Get the address of the MiniDumpWriteDump function, which writes 
            // user-mode mini-dump information to a specified file.
    		MINIDUMPWRITEDUMP MiniDumpWriteDump = 
                (MINIDUMPWRITEDUMP)::GetProcAddress( hDll, "MiniDumpWriteDump" );
    
    		if( MiniDumpWriteDump != NULL )
            {
    			TCHAR szScratch[USER_DATA_BUFFER_SIZE];
    
    			setMiniDumpFileName();
    
    			// Ask the user if he or she wants to save a mini-dump file...
    			_tcssprintf( szScratch,
                             _T("There was an unexpected error:\n\nWould you ")
                             _T("like to create a mini-dump file?\n\n%s " ),
                             m_szMiniDumpPath);
    
    			// Create the mini-dump file...
    			HANDLE hFile = ::CreateFile( m_szMiniDumpPath, 
                                                GENERIC_WRITE, 
                                                FILE_SHARE_WRITE, 
                                                NULL, 
                                                CREATE_ALWAYS, 
                                                FILE_ATTRIBUTE_NORMAL, 
                                                NULL );
    
    			if( hFile != INVALID_HANDLE_VALUE )
    			{
    				_MINIDUMP_EXCEPTION_INFORMATION ExInfo;
    				ExInfo.ThreadId          = ::GetCurrentThreadId();
    				ExInfo.ExceptionPointers = pExceptionInfo;
    				ExInfo.ClientPointers    = NULL;
    
                    // We need the SeDebugPrivilege to be able to run MiniDumpWriteDump
                    TOKEN_PRIVILEGES tp;
                    BOOL bPrivilegeEnabled = enablePrivilege( SE_DEBUG_NAME, hImpersonationToken, &tp );
    
                    BOOL bOk;
    
                    // DBGHELP.dll is not thread-safe, so we need to restrict access...
                    EnterCriticalSection( s_pCriticalSection );
                    {
    					// Write out the mini-dump data to the file...
                        bOk = MiniDumpWriteDump( GetCurrentProcess(),
                                                    GetCurrentProcessId(),
                                                    hFile,
                                                    MiniDumpNormal,
                                                    &ExInfo,
                                                    NULL,
                                                    NULL );
                    }
                    LeaveCriticalSection( s_pCriticalSection );
    
                    // Restore the privileges when done
                    if( bPrivilegeEnabled )
    	                restorePrivilege( hImpersonationToken, &tp );
    
                    if( bOk )
    				{
    					szResult = NULL;
    					retval = EXCEPTION_EXECUTE_HANDLER;
    
    					LogError("Fatal error occurred. Wrote dump file: %s.", m_szMiniDumpPath);
    				}
    				else
    				{
    					_tcssprintf( szScratch,
                                        _T("Failed to save the mini-dump file to '%s' (error %d)"),
                                        m_szMiniDumpPath,
                                        GetLastError() );
    
    					szResult = szScratch;
    				}
    
    				::CloseHandle( hFile );
    			}
    			else
    			{
    				_tcssprintf( szScratch,
                                    _T("Failed to create the mini-dump file '%s' (error %d)"),
                                    m_szMiniDumpPath,
                                    GetLastError() );
    
    				szResult = szScratch;
    			}
    		}
    		else
    		{
    			szResult = _T( "Call to GetProcAddress failed to find MiniDumpWriteDump. ")
                           _T("The DBGHELP.DLL is possibly outdated." );
    		}
    	}
    	else
    	{
    		szResult = _T( "Call to LoadLibrary failed to find DBGHELP.DLL." );
    	}
    
    	if( szResult && m_bPromptUserForMiniDump )
    	{
    		LogError("%s", szResult);
    	}
    
    	TerminateProcess( GetCurrentProcess(), 0 );
    
    	return retval;
    }
    


    main.cpp


    #include "MiniDumper.h"
    int main()
    {
    	CMiniDumper dump(true);
    	char *p=NULL;
    	memcpy(p,"HELLO",strlen("HELLO"));
    	return 0;
    }
    


    编译环境:Win7_64bit+VS2008


    技术在于交流、沟通,转载请注明出处并保持作品的完整性。
    原文:http://blog.csdn.net/hiwubihe/article/details/52648002

    展开全文
  • was 8.5环境生成heapdump文件

    千次阅读 2016-09-26 10:03:16
    1、我在/etc/profile里面...export IBM_HEAPDUMP=true export IBM_HEAP_DUMP=true export IBM_HEAPDUMPDIR=/opt/ export IBM_HEAPDUMP_OUTOFMEMORY=true export IBM_JAVADUMP_OUTOFMEMORY=true export IBM_JAVA...
    1、我在/etc/profile里面增加参数:
    export IBM_HEAPDUMP=true
    export IBM_HEAP_DUMP=true
    export IBM_HEAPDUMPDIR=/opt/
    export IBM_HEAPDUMP_OUTOFMEMORY=true
    export IBM_JAVADUMP_OUTOFMEMORY=true
    export IBM_JAVA_HEAPDUMP_TEXT=true
     
    执行下述命令,使设置生效:
    >. /etc/profile
     
    2、重启WAS
     
    3、执行下述命令获得<pid>
    >ps -ef|grep server1
     
    4、执行下述命令生成 dump 文件,生成文件根据配置存放在/opt/目录
    >kill -3 <pid>
     
    同事给的简洁命令:
    >ps -ef | grep server1 | grep -v grep |awk '{print $2}'| xargs kill -3
    也可通过管理控制台获得heapdump,目录在: 故障诊断|Java转储与核心
     
    后续可以采用HeapAnalyzer工具分析。
    展开全文
  • 如何生成dump文件

    千次阅读 2017-03-10 10:34:59
    当出现崩溃问题时,首先想到的是看有没有生成dump文件,通过文件查看出错的位置,再进行下一步的调试。可是你会发现不是所有的应用程序都会产生dump文件。(据我所知,可以通过程序不让系统产生崩溃文件(为了让用户...
    1. 引言     原文 http://blog.csdn.net/tg_472262379/article/details/47954569

      当出现崩溃问题时,首先想到的是看有没有生成dump文件,通过文件查看出错的位置,再进行下一步的调试。可是你会发现不是所有的应用程序都会产生dump文件。(据我所知,可以通过程序不让系统产生崩溃文件(为了让用户觉着友好)。)那么问题来了,怎么产生dump文件呢?

    2. 方案

      (1)崩溃时可收到操作系统提示,即弹框提示。 
             操作步骤:收到弹框后,不要关闭,保持现状。打开任务管理器或者Process Explorer(sysinternals),找到应用程序,右击创建转储文件或者右击->Create Dump。可以分析dump文件喽。 
      (2)进程直接关闭,即没有任何提示的崩溃。 
             a)打开注册表,创建注册表HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps 
             b)如下新建项 
                       名称 类型 数据 
                       DumpCount REG_DWORD 0X0000000a 
                       DumpFolder REG_EXPAND_SZ C:\DUMP 
                       DumpType REG_DWORD 0x00000002 
             ps:DumpType取值意义:0 = Create a custom dump    1 = Mini dump     2 = Full dump

    3. windbg调试命令

      使用windbg打开dump文件,在最下方输入栏输入: !analyze -v

    ps:借鉴以下文章:http://blog.csdn.net/whatday/article/details/47275711

    找到原文链接,拷贝如下:

    第一种: 通过任务管理器:这种适用在程序挂了(crash)的时候进程还未退出,比如我运行程序,出现了下面的错:


    此时打开任务管理器,右击相应进程,点击"Create Dump File“:


    一会创建完成:


    然后把这个DMP文件拷到开发机器上,用VS打开: 会出现下面的界面,要想知道发生错误时候的调用栈,需要设置symbol的路径,点击”Set Symbol Paths“:


    注意这个pdb要对应于crash的exe,否则调用栈没法显示:


    设置完成后,点击”Debug with Native Only“ 你就可以看到调用栈了。


    第二种: 改注册表

    如果程序crash的时候没有框蹦出来,可以通过改注册表的设置让操作系统在程序crash的时候自动生成dump,并放到特定的目录下

    增加注册表HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps 

    添加项如下图:


    其中DumpType代表的含义是:

    0 = Create a custom dump  
    1 = Mini dump  
    2 = Full dump  




    展开全文
  • sqlserver生成dump文件的方法汇总

    千次阅读 2019-03-04 09:54:38
    sqlserver生成dump文件的方法汇总 http://www.yiiyee.cn/Blog/windbg/ http://www.cnblogs.com/Clingingboy/archive/2013/03/26/2983166.html http://troubleshootingsql.com/tag/stack-dump/ ...
  • https://www.cnblogs.com/wyb628/p/8567610.html (分析工具使用说明)https://blog.csdn.net/namesliu/article/details/7018086 (JavaDump文件说明)https://www.oschina.net/question/129540_23220 (生成javadump、...
  • 描述windows下如何获取到websphere的dump信息。
  • websphere生成heapdump方法

    千次阅读 2012-12-21 11:16:18
    近来由于性能测试环境(Linux version ...生成heapdump的操作步骤如下: 1,ps -ef|grep java查询java进程的线程ID。 2,kill -3 线程ID号 3,发现只生成了javacore文件 这个时候需要配置增加下系统的环境变量,继续
  • From: http://blog.csdn.net/tenfyguo/article/details/8159176一,什么是coredump我们经常听到大家说到程序core掉了,需要定位解决,这里说的大部分是指对应程序由于各种异常或者bug导致在运行过程中异常退出或者...
  • linux手动生成core dump

    千次阅读 2020-07-07 17:42:21
    设置core dump文件大小,默认0,即不会生成core文件 ulimit -c unlimited 设置core dump文件的位置文件名格式,%e和%p会被替换成程序文件名以及进程ID。缺省情况下,内核在coredump时所产生的core文件放在与该...
  • 一、linux下生成core dump文件调试方法及设置 转自:http://andyniu.iteye.com/blog/1965571 core dump的概念: Acore dumpis the recorded state of the working memory of a computer program at a specific ...
  • core dump 又叫核心转储,是一个程序运行时的环境一个集合包,包含崩溃时的堆栈信息,是一个二进制文件,无法使用记事本打开,一般会在指定目录下生成一个core文件。core文件仅仅是一个内存映象,主要用来调试。 core...
  • linux下生成core dump文件调试方法及设置 在linux平台下,设置core dump文件生成的方法: 1. linux coredump调试 1 )如何生成 coredump 文件 ? 登陆 LINUX 服务器,任意位置键入 echo "ulimit -c 1024" ...
  • IBM JDK在linux下生成HeapDump日志方法最近服务器老是宕机,同时会生成.phd,javacore....txt等日志文件。说明此时服务器已经发生OOM或者由于其他原因导致了服务器宕机。每次必须等到服务器宕机时才能获取这些日志,...
  • 我们可以生成core dump文件,并用gdb重现崩溃时的场景。 ulimit设置core dump开关和大小 1 ulimit-cunlimited 测试代码: 1 2 3 4 5 6 7 8 9 ...
  • core dump的概念: Acore dumpis the recorded state of the working memory of a computer program at a specific time, generally when the program has terminated abnormally (crashed). In practice, other ...
  • linux下生成coredump文件

    千次阅读 2016-08-03 21:33:38
    一、coredump文件 这种文件通俗的说法叫进程转储,其中比较洋气的“转储”就是dump的翻译,这个词在计算机中用的比较多,所以建议大家多用...在windows下可以通过MiniDumpWriteDump这个API来直接生成一个运行进程
  • linux core dump文件生成和调试

    千次阅读 2018-05-26 10:23:04
    1.core dump文件生成 新建工程coredumptest (1)CMakeList.txt设置 在CMakeList.txt中增加用于调试的编译选项 详细的参数意义参考https://blog.csdn.net/rheostat/article/details/19811407 project...
  • linux下生成core dump文件方法及设置
  • WAS生成的常见文件有哪些? 原文链接:http://blog.csdn.net/pqh20085101092/article/details/39370389 javacore.***.txt : 关于cpu的,javacore文件是java进程的快照,主要保存的是Java应用各线程在某一时刻...
  • WAS生成的常见文件有哪些? 原文链接:http://blog.csdn.net/pqh20085101092/article/details/39370389 javacore.***.txt : 关于cpu的,javacore文件是java进程的快照,主要保存的是Java应用各线程在某一时刻...
  • WAS(websphere)下Sanp.trc、heapdump.phd、javacore.txt
  • core dump的概念: A core dump is the recorded state of the working memory of a computer program at a specific time, generally when the program has terminated abnormally (crashed). In practice, ...
  • Linux下的C程序常常会因为内存访问错误等原因造成segment fault(段错误),此时如果系统core dump功能是打开的,那么将会有内存映像转储到硬盘上来,之后可以用gdb对core文件进行分析,还原系统发生段错误时刻的...
  • 介绍 Coredump是Linux程序运行时的内存映象,当程序发生异常被捕获存储,用于程序调试分析。 开启 为程序存储coredump(又称core)...0表示不生成文件。可以通过 ulimit -c <size> 设置一个大小,单位为KB...

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